Calponin

Calponin

protein
Name = calponin 1, basic, smooth muscle
caption =


width =
HGNCid = 2155
Symbol = CNN1
AltSymbols =
EntrezGene = 1264
OMIM = 600806
RefSeq = NM_001299
UniProt = P51911
PDB =
ECnumber =
Chromosome = 19
Arm = p
Band = 13.2-13.1
LocusSupplementaryData =
protein
Name = calponin 2
caption =


width =
HGNCid = 2156
Symbol = CNN2
AltSymbols =
EntrezGene = 1265
OMIM = 602373
RefSeq = NM_004368
UniProt = Q99439
PDB =
ECnumber =
Chromosome = 21
Arm = q
Band = 11.1
LocusSupplementaryData =
protein
Name = calponin 3, acidic
caption =


width =
HGNCid = 2157
Symbol = CNN3
AltSymbols =
EntrezGene = 1266
OMIM = 602374
RefSeq = NM_001839
UniProt = Q6FHA7
PDB =
ECnumber =
Chromosome = 1
Arm =
Band = p22
LocusSupplementaryData = -p21

Calponin is a calcium binding protein. Calponin tonically inhibits the ATPase activity of myosin in smooth muscle. Phosphorylation of calponin by a protein kinase (which is dependent upon Calcium binding to calmodulin) releases the calponin's inhibition of the smooth muscle ATPase.

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